What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Infographic: Cash for Life? Lottery Isn’t the Only Way Guaranteed income can safeguard against running out of money. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics. When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits.